YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1989 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 103.39 | 98.03 | 84.23 | a | 73.23 | 61.55 | 84.09 | g | ||||
1990 | 57.43 | a | 61.64 | c | 75.65 | 85.30 | 88.21 | c | 101.33 | 105.73 | a | 101.48 | ----- | z | 82.03 | 66.81 | c | 51.48 | 79.74 | a | ||||||
1991 | 56.26 | 69.36 | 65.66 | b | 79.48 | a | 87.23 | 97.17 | a | 109.13 | 106.48 | 97.31 | a | 90.77 | i | 68.00 | a | 57.39 | 81.22 | a | ||||||
1992 | 56.08 | e | 64.97 | 68.94 | 84.60 | 93.00 | 101.63 | 104.68 | 106.16 | 99.93 | 85.94 | 64.80 | 54.29 | 82.08 | ||||||||||||
1993 | 55.71 | 60.89 | 71.83 | a | 82.53 | 92.90 | b | 99.50 | 105.16 | 104.90 | 97.55 | a | 84.07 | a | 64.03 | 58.65 | 81.48 | |||||||||
1994 | 61.35 | 59.29 | 76.13 | 83.03 | 92.26 | 107.24 | a | 110.13 | 109.50 | a | 99.77 | 82.26 | 63.17 | 59.00 | 83.59 | |||||||||||
1995 | 55.59 | b | 70.96 | 70.23 | 77.97 | a | 85.83 | b | 97.87 | 109.23 | a | 109.77 | 103.48 | g | 85.55 | 73.43 | b | 62.86 | c | 81.75 | a | |||||
1996 | 61.29 | 67.17 | 74.13 | 84.30 | 95.53 | a | 105.28 | a | 110.19 | 107.96 | d | 96.86 | b | 82.79 | b | 68.37 | 58.26 | 84.34 | ||||||||
1997 | 58.77 | a | 64.81 | a | ----- | z | 81.93 | a | 98.83 | b | ----- | z | 106.61 | 108.35 | e | 100.00 | b | 85.26 | 70.34 | a | 59.81 | 83.47 | b | |||
1998 | 61.78 | d | 61.25 | d | 71.11 | c | 77.00 | 88.55 | 98.67 | 108.39 | 110.74 | 96.57 | 81.97 | 68.73 | 59.10 | 81.99 | ||||||||||
1999 | 63.23 | e | 66.39 | 77.68 | 73.27 | 86.55 | 98.43 | 103.48 | b | 104.39 | 96.13 | 86.32 | 72.10 | 60.29 | 82.36 | |||||||||||
2000 | 60.68 | 64.55 | 70.61 | 86.71 | f | 97.55 | 102.20 | 107.70 | a | 105.00 | 96.72 | a | 80.97 | 61.80 | 60.83 | a | 82.60 | a | ||||||||
2001 | 57.00 | 61.39 | 70.59 | b | 80.07 | 98.58 | e | 105.19 | c | 106.20 | a | 106.60 | a | 100.82 | b | 87.26 | 71.73 | 55.71 | 83.43 | |||||||
2002 | 57.97 | 65.36 | 70.10 | b | 84.84 | e | 91.71 | g | 105.64 | h | 109.90 | b | 106.08 | f | 98.52 | c | 81.90 | 69.57 | 58.41 | d | 77.40 | c | ||||
2003 | 65.32 | 63.38 | b | 71.25 | c | 79.66 | a | 91.97 | a | 104.90 | a | 111.52 | b | 105.10 | a | 100.46 | d | 89.75 | c | 64.28 | a | 57.73 | a | 83.78 | ||
2004 | 58.79 | b | 58.24 | 80.04 | d | 81.50 | b | 94.39 | c | 103.87 | 107.54 | c | 104.70 | a | 98.22 | g | 80.87 | a | 63.27 | 57.40 | a | 80.96 | a | |||
2005 | 59.29 | 62.11 | a | 70.86 | j | 78.86 | p | 93.62 | g | 98.61 | g | 110.54 | c | 102.79 | c | 96.87 | 85.06 | 69.92 | f | 58.76 | f | 86.11 | f | |||
2006 | 62.00 | b | 67.22 | a | 69.33 | d | 80.52 | e | 96.05 | i | 105.60 | 108.61 | 105.37 | a | 97.06 | l | 85.44 | o | ----- | z | 57.00 | 81.96 | d | |||
2007 | 56.87 | 67.11 | 77.35 | 83.40 | 95.74 | 104.63 | 110.11 | c | 106.33 | a | 98.54 | d | 82.58 | 72.57 | 53.77 | a | 84.08 | |||||||||
2008 | 55.71 | 61.69 | p | 70.69 | o | 81.12 | v | 88.10 | a | 103.57 | 107.31 | b | 107.15 | e | 98.39 | l | 85.76 | j | 72.83 | x | 61.60 | u | 92.37 | g | ||
2009 | 59.88 | w | 63.73 | m | 73.90 | k | 79.33 | x | 98.33 | s | 97.00 | s | 110.36 | t | 103.33 | v | 100.60 | 78.73 | a | 70.89 | b | 54.29 | 76.13 | h | ||
2010 | 57.32 | 59.68 | 68.87 | 76.33 | 89.56 | o | 100.11 | u | 110.94 | n | 106.56 | m | 99.80 | o | ----- | z | 65.18 | s | 62.88 | w | 65.55 | h | ||||
2011 | 58.00 | o | 57.25 | t | 70.80 | u | 78.00 | k | 82.57 | x | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 58.92 | 63.99 | 72.32 | 80.93 | 92.20 | 102.32 | 108.01 | 106.11 | 98.42 | 83.75 | 68.17 | 57.78 | 83.01 | |||||||||||||
S.D. | 2.83 | 3.53 | 3.85 | 3.38 | 4.37 | 3.18 | 2.24 | 2.42 | 1.63 | 2.68 | 3.84 | 2.88 | 1.04 | |||||||||||||
SKEW | 0.61 | 0.19 | 0.45 | -0.63 | 0.04 | -0.25 | -0.38 | 0.15 | 0.16 | 0.32 | -0.19 | -0.40 | -0.18 | |||||||||||||
MAX | 65.32 | 70.96 | 80.04 | 85.30 | 98.83 | 107.24 | 111.52 | 110.74 | 100.82 | 89.75 | 73.43 | 62.86 | 84.34 | |||||||||||||
MIN | 55.59 | 58.24 | 65.66 | 73.27 | 85.83 | 97.17 | 103.48 | 101.48 | 96.13 | 78.73 | 61.80 | 51.48 | 81.48 | |||||||||||||
YRS | 20 | 19 | 17 | 17 | 16 | 16 | 19 | 19 | 16 | 18 | 18 | 19 | 9 |